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Finding the Fourth Proportional to 111,477.66, 167,298.51 and 74,025.29

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Solution

The fourth proportional to 111,477.66, 167,298.51 and 74,025.29 is: 111,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477.66 : 167,298.51 = 74,025.29 : x
  2. Step 2: Convert to fraction form
    111,477.66/167,298.51 = 74,025.29/x
  3. Step 3: Cross multiply
    111,477.66x = 167,298.51 × 74,025.29
  4. Step 4: Simplify right side
    111,477.66x = 12,384,319,882.83
  5. Step 5: Solve for x
    x = 12,384,319,882.83/111,477.66
  6. Step 6: Final answer
    x = 111,092.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.